Ted, I have not done alot of work yet with my mother-in-laws side but her mother was Marie Jacoba Adriana Tonjes. My mother-in-law was born in Bogor, Indonesia. My husband also was born in Jakarta. My in laws and my husband also left Indonesia when it became indepenent and went to Netherlands. We live in Florida. Maybe you have come across the name Marie Jacoba Adriana Tonjes.